Which ancient civilization first implemented a standardized retail pricing system to eliminate haggling and create a 'fixed price' shopping experience, similar to modern retail stores?

While modern retail seems advanced with its digital technology, ancient civilizations developed sophisticated commerce strategies that still influence today's business practices. From the Phoenicians' trading networks to Roman market innovations, discover how ancient retailers tackled problems we still face today. This poll explores how ancient civilizations approached retail strategy and consumer behavior in ways that might surprise modern business professionals.

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Ancient Rome, with their 'Taberna' shops displaying set prices on tablets for consumer convenience
Ancient Egypt, where merchants established standard values for goods based on the nilometer measurements
Mesopotamia, where temple authorities regulated prices to ensure fair trade throughout the region
Ancient Greece, where the agora marketplace introduced fixed pricing during festival periods to accommodate tourists